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WSMS2908 Datasheet, PDF (1/3 Pages) Vishay Siliconix – Power Metal Strip® Meter Shunt Resistor, Very Low Value (down to 0.0001 Ω)
WSMS2908
Vishay Dale
Power Metal Strip® Meter Shunt Resistor,
Very Low Value (down to 0.0001 Ω)
FEATURES
• High power to resistor size ratio
• 5-terminal connection design
• Use for single or multi-phase energy meters
• Proprietary processing technique produces
extremely low resistance values
• All welded construction
• Very low inductance (< 5 nH)
• Low thermal EMF (< 3 μV/°C)
• Compliant to RoHS directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
SIZE
POWER RATING
P70 °C
W
TOLERANCE
%
RESISTANCE VALUE
RANGE
Ω
WSMS2908 2908
3.0
5.0
50μ to 1000μ
Note
(1) Other values may be available, contact factory
RESISTANCE VALUES
CURRENTLY AVAILABLE (1)
Ω
100μ, 250μ, 300μ, 430μ, 500μ
WEIGHT
(typical)
g/1000 pieces
2100
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Operating Temperature Range
°C
Maximum Current Rating
A
RESISTOR CHARACTERISTICS
± 500 for 100 μΩ, ± 225 for 250 μΩ,
± 175 for 300 μΩ, 430 μΩ, and 500 μΩ
- 65 to + 170
(P/R)1/2
GLOBAL PART NUMBER INFORMATION
GLOBAL PART NUMBERING: WSMS2908L2500JK (WSMS2908, 0.00025 Ω, ± 5 %)
WSMS 2 9 0 8 L 2 5 0 0 J K
GLOBAL MODEL
WSMS2908
RESISTANCE VALUE
L = mΩ
L1000 = 0.00010 Ω
L2500 = 0.00025 Ω
L3000 = 0.00030 Ω
L4300 = 0.00043 Ω
L5000 = 0.00050 Ω
TOLERANCE CODE
J = ± 5.0 %
PACKAGING CODE
K = Bulk pack
E = Tape and reel
SPECIAL
(Dash number)
(Up to 2 digits)
From 1 to 99 as
applicable
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
www.vishay.com
42
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30160
Revision: 02-Jul-10